diff --git a/[refs] b/[refs]
index 350a39369246..c2b8981160b9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 53dbb26dbcf0d844967677633d7587c1d34740d5
+refs/heads/master: 788540141f4549637e89aadca6e25cf25eb53383
diff --git a/trunk/include/linux/pagevec.h b/trunk/include/linux/pagevec.h
index def32c5715be..8eb7fa76c1d0 100644
--- a/trunk/include/linux/pagevec.h
+++ b/trunk/include/linux/pagevec.h
@@ -5,6 +5,9 @@
  * pages.  A pagevec is a multipage container which is used for that.
  */
 
+#ifndef _LINUX_PAGEVEC_H
+#define _LINUX_PAGEVEC_H
+
 /* 14 pointers + two long's align the pagevec structure to a power of two */
 #define PAGEVEC_SIZE	14
 
@@ -83,3 +86,5 @@ static inline void pagevec_lru_add(struct pagevec *pvec)
 	if (pagevec_count(pvec))
 		__pagevec_lru_add(pvec);
 }
+
+#endif /* _LINUX_PAGEVEC_H */